Oris BC4 Small Second, Date
Simply striking The Oris BC4 Aviation collection reaches new heights with this latest model. Simple and understated but with all the hallmarks of an Oris flight instrument, it has a classic aviation look. It’s clear for all to see that this is classic Oris BC4.
- Case Oris BC4, 42.70 mm, 1.681 inches, Stainless steel / black plated
Material Multi-piece stainless steel case, black DLC platedSize 42.70 mm, 1.681 inchesTop Glass Sapphire, domed on both sides, anti-reflective coating insideCase Back Stainless steel, black DLC plated, fixed with screws, see-through mineral glassOperating Devices Stainless steel Oris Quick Lock security crown, black platedWater Resistance 10 bar (100 m, 328 ft)Interhorn Width 22 mm
- Movement Automatic winding small second, date
Developed by Oris.
Number Oris 643, base ETA 2836-2Dimensions Ø 25.60 mm, 11 1/2’’’Functions Centre hands for hours and minutes, subsidiary second at 9 h, date window, date corrector, fine timing device and stop-secondWinding Automatic winding, bi-directionally rotating red rotorPower-Reserve 38 hrsVibrations 28’800 A/h, 4 HzJewels 27
- Dial Black
Material Black dialLuminous Material Indices and hands Superluminova BG W9
- Strap/Bracelet Leather
Material Black leather strap, stainless steel, black DLC plated folding clasp
- Reference 01 643 7617 4764-07 5 22 58BFC